/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

package Controller;

import java.io.IOException;
import java.io.PrintWriter;
import java.sql.Connection;
import java.util.HashMap;
import java.util.Map;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.annotation.Resource;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.sql.DataSource;
import net.sf.jasperreports.engine.JRException;
import net.sf.jasperreports.engine.JRExporterParameter;
import net.sf.jasperreports.engine.JasperFillManager;
import net.sf.jasperreports.engine.JasperPrint;
import net.sf.jasperreports.engine.export.JRHtmlExporter;
import net.sf.jasperreports.engine.export.JRHtmlExporterParameter;

/**
 *
 * @author COMPAQ
 */
public class UserServlet extends HttpServlet {
    @Resource(name = "Bluepumkin")
    private DataSource bluepumkin;
   
    /** 
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        try {
            response.setContentType("text/html;charset=UTF-8");
            PrintWriter out = response.getWriter();
            Connection conn = null;
            String id=request.getParameter("id");
            try {
                conn = bluepumkin.getConnection();
            } catch (Exception ex) {
                ex.printStackTrace();
            }
            String homeDir = getServletContext().getRealPath("/ReportUser/report2.jasper");
            Map parameters = new HashMap();
            parameters.put("id", id);
            JasperPrint jasperPrint = JasperFillManager.fillReport(homeDir, parameters, conn);
            JRHtmlExporter exporter = new JRHtmlExporter();
            response.setContentType("text/html");
            exporter.setParameter(JRExporterParameter.JASPER_PRINT, jasperPrint);
            exporter.setParameter(JRHtmlExporterParameter.OUTPUT_WRITER, out);
            exporter.setParameter(JRHtmlExporterParameter.IS_WHITE_PAGE_BACKGROUND, Boolean.FALSE);
            exporter.setParameter(JRHtmlExporterParameter.IS_USING_IMAGES_TO_ALIGN, Boolean.FALSE);
            exporter.exportReport();
        } catch (JRException ex) {
            Logger.getLogger(UserServlet.class.getName()).log(Level.SEVERE, null, ex);
        }
        
    } 

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        processRequest(request, response);
    } 

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>

}
